cover 3 ca. brown-red block of four [23-13/5-4], a few trimmed perfs., on reverse of 1882 (15 May) envelope (opened out for display) from Peking to Germany (7.7 arrival) via Shanghai (20.5), cancelled by seal in blue and bearing on front France 25c. bistre pair (faults) cancelled "5104"; two Large Dragon stamps have been removed. Photo